Adastra MM321 - Front Panel Overview; Front Panel Controls Identification; Rear Panel Overview; Rear Panel Connections Identification

953.028UK User Manual
Front panel
Rear panel
Connection
Ensure the Power (15) is switched off until all input and output connections are in place.
Turn all rotary level controls (5 - 10) and Master level (13) fully down (anti-clockwise) to avoid loud noises
when switching on.
Set the BASS and TREBLE Tone controls (11, 12) to the vertical position (zero)
Channels 1, 2 and 3 can accept microphones or mono line level inputs, such as CD, TV or electronic keyboard.
Connect the main microphone or line level signal to Mic/Line 1 input (28) on the rear panel via balanced XLR
or 6.3mm jack.
If a condenser mic is being used, connect via XLR, select Mic level and 20V Phantom power on via the channel
1 DIP switches (27)
Further mic or line level signals can be connected to inputs 2 and 3 (24, 26) in the same way as for channel 1
Set the DIP switches for channels 2 and 3 (23, 25) to suit the input source.
Connect stereo line level sources to AUX 1 and AUX 2 RCA inputs (21, 22).
Outputs are available on L+R balanced XLR (18) for stereo operation and a single 6.3mm unbalanced jack
(19) summed to mono. Record outputs on L+R RCA (20) are unaffected by the Master level control.
1.
3.5mm AUX input to media player
9.
Aux line input 1 level control
2.
USB port
10.
Aux line input 2 level control
3.
Media player control panel
11.
Bass EQ boost/cut control
4.
Media player LCD display
12.
Treble EQ boost/cut control
5.
Media player level control
13.
Master output level control
6.
Mic/Line input 1 level control
14.
Output level LED indicators
7.
Mic/Line input 2 level control
15.
Power switch and indicator
8.
Mic/Line input 3 level control
16.
IEC mains inlet and fuse holder
24.
Input 3 balanced XLR/jack
17.
24V emergency alarm contacts
25.
Mic/Line and phantom switches Input 2
18.
L+R XLR balanced outputs
26.
Input 2 balanced XLR/jack
19.
6.3mm jack mono unbalanced output
27.
Mic/Line and phantom switches Input 1
20.
Record output L+R RCA
28.
Input 1 balanced XLR/jack
21.
Aux 2 line input L+R RCA
29.
Ch.1 override level
22.
Aux 1 line input L+R RCA
30.
BT antenna connector
23.
Mic/Line and phantom switches Input 3
31.
FM tuner antenna F connector